To calculate the volume of a cube, the length, width and height dimensions are multiplied. Volume is measured in cubic units. These are unit cubes which may be mm³, cm³ and m³. There are multiple ways ...

Note: This article is based on the 2005 NEC. Box fill isn’t just the number of wires in the box — it's the total volume of the conductors, devices, and fittings in a box. Every outlet box has a ...